Dr. Ada Winkielman joined Valley Dermatology in 2005. She is experienced in all aspects of dermatology and performs various cosmetic procedures too. She received her medical degree from the Medical University of Warsaw, completed an internship and primary residency in dermatology at the Military Medical Institute in Warsaw, Poland, and completed an advanced dermatology residency at the Medical University of Warsaw. She also trained at the French National Institute of health and did Medical Research in Lyone France and at the Ackerman Academy of Dermatopathology in New York. She also completed a pathology residency at Loma Linda University Medical Center and is board certified.